|
STEEL GRADE/TYPE
|
GB
|
W2Mo9Cr4V2Co8
|
|
JIS
|
SKH59
|
|
ASTM
|
M42
|
|
DIN
|
S6-5-2-5 1.3247
|
|
Other Comp.
|
Bohler S500
ERASTEEL EM42
HITACHI YXM42
|
|
Chemical composition %
|
C
|
1.05-1.15
|
|
W
|
1.15-1.85
|
|
Mo
|
9.00-10.00
|
|
Cr
|
3.50-4.25
|
|
V
|
0.95-1.35
|
|
Co
|
7.75-8.75
|
|
Ni
|
－
|
|
Mn
|
0.15-0.40
|
|
Si
|
0.15-0.65
|
|
P≤
|
0.030
|
|
S≤
|
0.020
|
|
Application
|
M42 high speed steel is generally applied to high complex cutting tool, such as, broach, gear hob cutter and a variety of tap drill bit, saw blade and efficient woodworking tools,pump vane etc.
|
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